Konica 7415 SERVICE HANDBOOK pf120e

PF-120

SERVICE HANDBOOK

KONICA CORPORATION

TECHNOLOGY SUPPORT CENTER

TOKYO JAPAN

PF-120

SERVICE MANUAL

107194

CONTENTS

GENERAL, MECHANICAL/ELECTRICAL

1. SPECIFICATIONS ...........................................................................................M-1

2. PAPER TAKE-UP AND FEEDING MECHANISM ............................................ M-2

2-1. Trailing Edge Stop and Edge Guides ......................................................M-3

2-2. Tray Positioning .......................................................................................M-3

2-3. Paper Lifting Plate ...................................................................................M-4

2-4. Tray-in-Position Detection ....................................................................... M-4

2-5. Paper Empty Detection ............................................................................M-5

2-6. Paper Separating Mechanism .................................................................M-5

2-7. Paper Take-Up Rolls ............................................................................... M-6

2-8. Paper Take-Up Retry Control ..................................................................M-6

3. WIRING DIAGRAM ..........................................................................................M-7

DIS/REASSEMBLY, ADJUSTMENT

1. DISASSEMBLY ...............................................................................................D-1

1-1. Removal of Paper Take-Up Rolls Assy and Paper Take-Up Rolls .......... D-1

1-2. Removal of Paper Take-Up Solenoid ......................................................D-2

2. ADJUSTMENT .................................................................................................D-3

2-1. Inclination Adjustment .............................................................................. D-4

2-2. Registration Adjustments in CD/FD Directions ........................................D-5

MISFEED DETECTION

1. MISFEED DETECTION ...................................................................................T-1

1-1. Misfeed Detection Sensor Layout ............................................................ T-1

1-2. Types of Misfeed Detection and Detection Timing .................................. T-1

i

GENERAL,

MECHANICAL/ELECTRICAL

1. SPECIFICATIONS

Type : Extension paper take-up and feeding unit
Installation : On the underside of the copier (no screws being used to

Paper Type :
Paper Size : A4 lengthwise, Letter lengthwise

Capacity : Plain paper 500 sheets (max.),

Power Requirements : DC24V, DC5V (supplied from the copier)
Power Consumption : Less than 8W
Dimensions : Width 548 mm (21-1/2”)

Weight : 5.5 kg (12-1/4 lbs)

fix to the copier)
Plain paper, recycled paper (60 to 90 g/m

Recycled paper 400 sheets (max.)

Depth 450 mm (17-3/4”)
Height 128 mm (5”)

2

, 16 to 24 lbs)

M-1

2. PAPER TAKE-UP AND FEEDING MECHANISM

• This paper source accommodates paper of a fixed size.

• It is capable of holding up to 500 sheets of paper.

Paper Take-Up Rolls

Trailing Edge Stop

Paper Transport Roller

Edge Guides

4646M001AA

M-2